:root {
    --navbar-height: 80px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Sukhumvit Set', 'Helvetica Neue', 'Segoe UI', 'Thonburi',
        'Krungthep', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #2d3748;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 50%, #e2e8f0 100%);
    font-weight: 400;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(25px);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-radius: 0 0 20px 20px;
    margin-bottom: 1px;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    padding: 0.75rem 0;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

/* Logo Design */
.logo-container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.logo:hover {
    transform: translateY(-2px);
}

.logo-icon {
    font-size: 1.8rem;
    animation: logoPulse 3s ease-in-out infinite;
    transition: all 0.3s ease;
}

@keyframes logoPulse {
    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

.logo:hover .logo-icon {
    transform: rotate(15deg) scale(1.2);
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, #2d3748 0%, #38b2ac 50%, #4fd1c7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
}

.logo-tagline {
    font-size: 0.75rem;
    color: #4a5568;
    font-weight: 500;
    opacity: 0.8;
    margin-top: -0.2rem;
    margin-left: 2.3rem;
    transition: all 0.3s ease;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: #4a5568;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(56, 178, 172, 0.1),
        transparent
    );
    transition: left 0.5s;
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link:hover {
    color: #38b2ac;
    background: rgba(56, 178, 172, 0.1);
    transform: translateY(-2px);
}

.nav-link.active {
    color: #38b2ac;
    background: rgba(56, 178, 172, 0.15);
    font-weight: 600;
}

/* CTA Section */
.nav-cta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.3rem;
}

.beta-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
}

.beta-badge {
    background: linear-gradient(135deg, #38b2ac, #4fd1c7);
    color: white;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.7rem;
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
        box-shadow: 0 0 10px rgba(56, 178, 172, 0.5);
    }
}

.spots-left {
    color: #e53e3e;
    font-weight: 600;
    animation: urgencyBlink 3s ease-in-out infinite;
}

@keyframes urgencyBlink {
    0%,
    90%,
    100% {
        opacity: 1;
    }

    95% {
        opacity: 0.7;
    }
}

.nav-cta-button {
    background: linear-gradient(135deg, #38b2ac, #4fd1c7);
    color: white;
    padding: 0.7rem 1.5rem;
    border-radius: 16px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(56, 178, 172, 0.3);
    position: relative;
    overflow: hidden;
}

.nav-cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left 0.5s;
}

.nav-cta-button:hover::before {
    left: 100%;
}

.nav-cta-button:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 25px rgba(56, 178, 172, 0.4);
}

.nav-cta-button:hover .cta-arrow {
    transform: translateX(3px);
}

.cta-arrow {
    transition: transform 0.3s ease;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
    gap: 0.3rem;
}

.hamburger-line {
    width: 25px;
    height: 2px;
    background: #4a5568;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Scroll Progress */
.scroll-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, #38b2ac, #4fd1c7);
    transition: width 0.1s ease;
    border-radius: 0 2px 2px 0;
}

/* Hero Section */
.hero {
    padding: 4rem 0;
    text-align: center;
    color: #2d3748;
    background: linear-gradient(135deg, #e6fffa 0%, #b2f5ea 30%, #81e6d9 100%);
    position: relative;
    overflow-x: hidden;
    overflow-y: visible;
    min-height: calc(100vh - var(--navbar-height));
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="brain-dots" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(56, 178, 172, 0.1)"/><circle cx="25" cy="25" r="0.8" fill="rgba(56, 178, 172, 0.08)"/><circle cx="75" cy="75" r="1.2" fill="rgba(56, 178, 172, 0.12)"/></pattern></defs><rect width="100" height="100" fill="url(%23brain-dots)"/></svg>');
    opacity: 0.6;
    animation: backgroundMove 20s ease-in-out infinite;
}

@keyframes backgroundMove {
    0%,
    100% {
        transform: translate(0, 0);
    }

    25% {
        transform: translate(-10px, -5px);
    }

    50% {
        transform: translate(5px, -10px);
    }

    75% {
        transform: translate(-5px, 5px);
    }
}

/* Floating Elements */
.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.floating-icon {
    position: absolute;
    font-size: 2rem;
    opacity: 0.3;
    animation-duration: 6s;
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite;
}

.brain-icon {
    top: 20%;
    left: 10%;
    animation: float1 6s ease-in-out infinite;
}

.video-icon {
    top: 30%;
    right: 15%;
    animation: float2 8s ease-in-out infinite;
}

.knowledge-icon {
    bottom: 30%;
    left: 20%;
    animation: float3 7s ease-in-out infinite;
}

.star-icon {
    top: 15%;
    right: 25%;
    animation: float4 5s ease-in-out infinite;
}

.rocket-icon {
    bottom: 20%;
    right: 10%;
    animation: float5 9s ease-in-out infinite;
}

@keyframes float1 {
    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

@keyframes float2 {
    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    50% {
        transform: translateY(-15px) rotate(-3deg);
    }
}

@keyframes float3 {
    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    50% {
        transform: translateY(-25px) rotate(8deg);
    }
}

@keyframes float4 {
    0%,
    100% {
        transform: translateY(0px) rotate(0deg) scale(1);
    }

    50% {
        transform: translateY(-10px) rotate(-5deg) scale(1.1);
    }
}

@keyframes float5 {
    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    50% {
        transform: translateY(-30px) rotate(10deg);
    }
}

/* Hero Content */
.hero-content {
    position: relative;
    z-index: 3;
}

.hero-title {
    font-size: 5rem;
    font-weight: 800;
    margin-bottom: 2rem;
    line-height: 1.4;
    position: relative;
    z-index: 2;
    padding: 0.4rem 0 0.8rem 0;
    overflow: visible;
    letter-spacing: -0.02em;
    text-shadow: 0 0 20px rgba(49, 130, 206, 0.3),
        0 0 40px rgba(49, 130, 206, 0.2), 0 4px 8px rgba(0, 0, 0, 0.1);
    animation: titleGlow 4s ease-in-out infinite;
}

.gradient-text {
    background: linear-gradient(
        135deg,
        #1a365d 0%,
        #2b6cb0 25%,
        #3182ce 50%,
        #63b3ed 75%,
        #bee3f8 100%
    );
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 4s ease-in-out infinite;
    position: relative;
}

.gradient-text::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 120%;
    height: 120%;
    background: radial-gradient(
        ellipse,
        rgba(49, 130, 206, 0.1) 0%,
        transparent 70%
    );
    transform: translate(-50%, -50%);
    z-index: -1;
    border-radius: 50%;
    animation: backdropPulse 4s ease-in-out infinite;
    pointer-events: none;
}

@keyframes backdropPulse {
    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.1;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.2;
    }
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }

    25% {
        background-position: 100% 50%;
    }

    50% {
        background-position: 100% 100%;
    }

    75% {
        background-position: 0% 100%;
    }

    100% {
        background-position: 0% 50%;
    }
}

@keyframes titleGlow {
    0%,
    100% {
        text-shadow: 0 0 20px rgba(49, 130, 206, 0.3),
            0 0 40px rgba(49, 130, 206, 0.2), 0 4px 8px rgba(0, 0, 0, 0.1);
    }

    50% {
        text-shadow: 0 0 30px rgba(49, 130, 206, 0.5),
            0 0 60px rgba(49, 130, 206, 0.3), 0 0 80px rgba(99, 179, 237, 0.2),
            0 4px 8px rgba(0, 0, 0, 0.1);
    }
}

.hero .subtitle {
    font-size: 1.4rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
    color: #4a5568;
    font-weight: 400;
    line-height: 1.6;
}

/* Animation Classes */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease-out forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

.delay-4 {
    animation-delay: 0.8s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero Intro */
.hero-intro {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(15px);
    padding: 0.7rem 2.5rem;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    display: inline-block;
    margin-bottom: 2.5rem;
    position: relative;
    z-index: 2;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.hero-intro:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.hero-intro p {
    margin: 0;
    color: #2d3748;
    font-weight: 500;
    line-height: 1.6;
    padding: 0.1rem 0 0.3rem 0;
}

/* Enhanced CTA */
.enhanced-cta {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
    padding: 1.2rem 2.5rem;
    border-radius: 16px;
    margin-bottom: 1.5rem;
}

.enhanced-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left 0.5s;
}

.enhanced-cta:hover::before {
    left: 100%;
}

.enhanced-cta:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 40px rgba(56, 178, 172, 0.4);
}

.cta-arrow {
    transition: transform 0.3s ease;
}

.enhanced-cta:hover .cta-arrow {
    transform: translateX(5px);
}

/* Hero Benefits */
.hero-benefits {
    margin-top: 1rem;
}

.benefit-text {
    margin: 0 0 1rem;
    opacity: 0.9;
    font-size: 1rem;
}

.social-proof {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    display: inline-flex;
}

.user-count {
    font-weight: 700;
    color: #38b2ac;
    font-size: 1.1rem;
    animation: countPulse 2s ease-in-out infinite;
}

@keyframes countPulse {
    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.user-text {
    color: #4a5568;
    font-size: 0.9rem;
}

/* Hero Features */
.hero-features {
    margin-top: 3rem;
}

.feature-preview {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 1rem 1.5rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

/* Minimal Feature Items */
.feature-preview.minimal {
    gap: 1rem;
}

.feature-item.minimal {
    padding: 0.6rem 1rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(8px);
    min-width: auto;
    flex: 0 0 auto;
}

.feature-item.minimal .feature-icon {
    font-size: 1.2rem;
    transform: translateY(0.05rem);
    line-height: 1;
}

.feature-item.minimal .feature-text {
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    line-height: 1;
}

/* Scroll Hook */
.scroll-hook {
    text-align: center;
    margin-top: 3rem;
    margin-bottom: 2rem;
    animation: scrollHookPulse 3s ease-in-out infinite;
}

.scroll-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.scroll-indicator {
    display: flex;
    justify-content: center;
    align-items: center;
}

.scroll-arrow {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    animation: bounceArrow 2s ease-in-out infinite;
}

.scroll-arrow:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.scroll-arrow span {
    color: white;
    font-size: 1.2rem;
    font-weight: bold;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

@keyframes scrollHookPulse {
    0%,
    100% {
        opacity: 0.8;
    }

    50% {
        opacity: 1;
    }
}

@keyframes bounceArrow {
    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-5px);
    }
}

.feature-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 1.5rem;
    animation: iconBounce 2s ease-in-out infinite;
}

.feature-item:nth-child(1) .feature-icon {
    animation-delay: 0s;
}

.feature-item:nth-child(2) .feature-icon {
    animation-delay: 0.3s;
}

.feature-item:nth-child(3) .feature-icon {
    animation-delay: 0.6s;
}

@keyframes iconBounce {
    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-3px);
    }
}

.feature-text {
    color: #2d3748;
    font-weight: 500;
    font-size: 0.95rem;
}

/* Section Hooks */
.problem-hook h2,
.features-hook h2,
.urgency-hook h2,
.final-hook h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.problem-hook h2 {
    color: #e53e3e;
}

.features-hook h2 {
    color: #2d3748;
}

.urgency-hook h2 {
    color: #c53030;
}

.final-hook {
    text-align: center;
    margin-bottom: 2rem;
}

.final-hook h2 {
    color: white;
    font-size: 2rem;
}

.cta-primary {
    background: linear-gradient(135deg, #38b2ac, #4fd1c7);
    color: white;
    padding: 1rem 3rem;
    font-size: 1.2rem;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    margin: 1rem;
    font-weight: 500;
    box-shadow: 0 8px 25px rgba(56, 178, 172, 0.25);
    position: relative;
    z-index: 2;
}

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(56, 178, 172, 0.35);
    background: linear-gradient(135deg, #319795, #38b2ac);
}

/* Problem Section */
.section {
    padding: 4rem 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    position: relative;
}

.section-alt {
    background: rgba(247, 250, 252, 0.9);
    backdrop-filter: blur(10px);
}

.section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2d3748;
    font-weight: 600;
}

.section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2d3748;
}

.problems {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.problem-card {
    background: rgba(254, 252, 252, 0.9);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    border: 1px solid rgba(254, 215, 215, 0.6);
    border-left: 4px solid #fc8181;
    box-shadow: 0 4px 20px rgba(252, 129, 129, 0.08);
    transition: all 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(252, 129, 129, 0.15);
}

.problem-card h3 {
    color: #e53e3e;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 500;
}

/* Brain Science Section */
.brain-science-hero {
    max-width: 1000px;
    margin: 0 auto;
}

.science-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: linear-gradient(
        135deg,
        rgba(56, 178, 172, 0.1),
        rgba(129, 230, 217, 0.1)
    );
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(129, 230, 217, 0.3);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(56, 178, 172, 0.2);
}

.stat-card h3 {
    color: #2c7a7b;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #38b2ac;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-card p {
    color: #4a5568;
    font-size: 0.95rem;
    line-height: 1.5;
}

.brain-insight {
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.9),
        rgba(247, 250, 252, 0.9)
    );
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(226, 232, 240, 0.6);
}

.brain-insight h3 {
    color: #2d3748;
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-align: center;
    font-weight: 600;
}

.insight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.insight-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 15px;
    border: 1px solid rgba(226, 232, 240, 0.4);
}

.insight-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.insight-item h4 {
    color: #2d3748;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.insight-item p {
    color: #4a5568;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Solution Section */
.solution-hero {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
    padding: 3rem;
    background: linear-gradient(
        135deg,
        rgba(237, 250, 250, 0.9),
        rgba(230, 255, 250, 0.9)
    );
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(56, 178, 172, 0.1);
    border: 1px solid rgba(129, 230, 217, 0.3);
}

.solution-hero h2 {
    color: #2c7a7b;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.solution-hero p {
    font-size: 1.2rem;
    color: #4a5568;
    font-weight: 400;
    margin-bottom: 2rem;
}

/* Enhanced Section Header */
.section-header {
    margin-bottom: 2rem;
    position: relative;
    z-index: 3;
}

.section-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    animation: brandFadeIn 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.brand-icon {
    font-size: 2.5rem;
    animation: brandIconPulse 3s ease-in-out infinite;
    filter: drop-shadow(2px 2px 6px rgba(0, 0, 0, 0.1));
    transition: all 0.3s ease;
    cursor: pointer;
}

.brand-icon:hover {
    transform: scale(1.15) rotate(10deg);
    filter: drop-shadow(3px 3px 8px rgba(0, 0, 0, 0.2));
}

@keyframes brandIconPulse {
    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

.brand-name {
    font-size: 2.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, #2d3748 0%, #38b2ac 50%, #4fd1c7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.05em;
    animation: brandNameSlide 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s both;
    text-shadow: 0 4px 8px rgba(56, 178, 172, 0.15);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

@keyframes brandFadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes brandNameSlide {
    from {
        opacity: 0;
        transform: translateX(-30px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

.section-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 1.5rem 0;
    gap: 1rem;
    animation: dividerExpand 1s ease-out 0.4s both;
}

.divider-line {
    height: 2px;
    width: 60px;
    background: linear-gradient(90deg, transparent, #38b2ac, transparent);
    opacity: 0.6;
}

.divider-dots {
    display: flex;
    gap: 0.5rem;
}

.divider-dots span {
    width: 8px;
    height: 8px;
    background: #38b2ac;
    border-radius: 50%;
    animation: dotPulse 2s ease-in-out infinite;
}

.divider-dots span:nth-child(1) {
    animation-delay: 0s;
}

.divider-dots span:nth-child(2) {
    animation-delay: 0.3s;
}

.divider-dots span:nth-child(3) {
    animation-delay: 0.6s;
}

@keyframes dotPulse {
    0%,
    100% {
        opacity: 0.4;
        transform: scale(1);
    }

    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

@keyframes dividerExpand {
    from {
        opacity: 0;
        transform: scaleX(0);
    }

    to {
        opacity: 1;
        transform: scaleX(1);
    }
}

.section-methodology {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0.75rem;
    color: #2c7a7b;
    font-size: 1.8rem;
    font-weight: 600;
    margin: 0;
    animation: methodologyReveal 0.8s ease-out 0.6s both;
    text-shadow: 0 2px 4px rgba(44, 122, 123, 0.1);
    line-height: 1.2;
}

.methodology-icon {
    font-size: 2rem;
    filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.1));
    animation: methodologyIconSpin 4s ease-in-out infinite;
    transition: all 0.3s ease;
    cursor: pointer;
    flex-shrink: 0;
    margin-top: 0.1rem;
    line-height: 1;
}

.methodology-icon:hover {
    transform: scale(1.2) rotate(15deg);
    filter: drop-shadow(3px 3px 8px rgba(44, 122, 123, 0.3));
}

@keyframes methodologyIconSpin {
    0%,
    100% {
        transform: rotate(0deg);
    }

    25% {
        transform: rotate(5deg);
    }

    75% {
        transform: rotate(-5deg);
    }
}

.methodology-text {
    position: relative;
    font-style: italic;
    letter-spacing: 0.02em;
    text-align: center;
    line-height: 1.3;
    max-width: 600px;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.9),
        rgba(230, 255, 250, 0.8)
    );
    padding: 0.6rem 1.2rem;
    border-radius: 12px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(129, 230, 217, 0.2);
    box-shadow: 0 4px 15px rgba(56, 178, 172, 0.08);
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 2.5rem;
}

.methodology-text::before {
    content: '"';
    font-size: 1.5em;
    color: #38b2ac;
    opacity: 0.7;
    margin-right: 0.1em;
}

.methodology-text::after {
    content: '"';
    font-size: 1.5em;
    color: #38b2ac;
    opacity: 0.7;
    margin-left: 0.1em;
}

@keyframes methodologyReveal {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-description {
    font-size: 1.2rem;
    color: #4a5568;
    font-weight: 400;
    margin-bottom: 2rem;
    animation: descriptionFadeIn 0.8s ease-out 0.8s both;
}

@keyframes descriptionFadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.solution-concept {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.concept-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    border: 1px solid rgba(129, 230, 217, 0.3);
    transition: all 0.3s ease;
}

.concept-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(56, 178, 172, 0.15);
}

.concept-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.concept-item h4 {
    color: #2c7a7b;
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
    font-weight: 600;
}

.concept-item p {
    color: #4a5568;
    font-size: 0.9rem;
    line-height: 1.4;
    margin: 0;
}

/* Enhanced Solution Section */
.solution-bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 1;
}

.floating-particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background: linear-gradient(
        45deg,
        rgba(56, 178, 172, 0.6),
        rgba(129, 230, 217, 0.6)
    );
    border-radius: 50%;
    animation: floatParticle 8s ease-in-out infinite;
}

.floating-particle:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
    animation-duration: 6s;
}

.floating-particle:nth-child(2) {
    top: 60%;
    left: 80%;
    animation-delay: 2s;
    animation-duration: 8s;
}

.floating-particle:nth-child(3) {
    top: 80%;
    left: 20%;
    animation-delay: 4s;
    animation-duration: 7s;
}

.floating-particle:nth-child(4) {
    top: 30%;
    left: 70%;
    animation-delay: 1s;
    animation-duration: 9s;
}

.floating-particle:nth-child(5) {
    top: 10%;
    left: 50%;
    animation-delay: 3s;
    animation-duration: 5s;
}

@keyframes floatParticle {
    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.3;
    }

    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 0.8;
    }
}

/* Process Flow */
.process-flow {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    border: 1px solid rgba(129, 230, 217, 0.3);
    transition: all 0.3s ease;
    animation: fadeInUp 0.6s ease-out;
}

.flow-step:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(56, 178, 172, 0.2);
}

.flow-icon {
    font-size: 1.5rem;
    filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.1));
}

.flow-step span {
    font-size: 0.8rem;
    font-weight: 600;
    color: #4a5568;
    text-align: center;
}

.flow-arrow {
    font-size: 1.2rem;
    color: #38b2ac;
    font-weight: bold;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%,
    100% {
        opacity: 0.6;
        transform: scale(1);
    }

    50% {
        opacity: 1;
        transform: scale(1.1);
    }
}

/* Enhanced Concept Items */
.enhanced-concept {
    position: relative;
    z-index: 2;
}

.enhanced-item {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease-out forwards;
}

.enhanced-item[data-delay='0'] {
    animation-delay: 0.1s;
}

.enhanced-item[data-delay='100'] {
    animation-delay: 0.2s;
}

.enhanced-item[data-delay='200'] {
    animation-delay: 0.3s;
}

.enhanced-item[data-delay='300'] {
    animation-delay: 0.4s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.concept-icon-container {
    position: relative;
    flex-shrink: 0;
}

.icon-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    background: radial-gradient(circle, rgba(56, 178, 172, 0.3), transparent);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.3s ease;
}

.enhanced-item:hover .icon-glow {
    transform: translate(-50%, -50%) scale(1.5);
}

.concept-content {
    flex: 1;
}

.concept-benefit {
    margin-top: 0.8rem;
}

.benefit-badge {
    display: inline-block;
    background: linear-gradient(135deg, #38b2ac, #4fd1c7);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    animation: badgeGlow 3s ease-in-out infinite;
}

@keyframes badgeGlow {
    0%,
    100% {
        box-shadow: 0 0 0 rgba(56, 178, 172, 0.5);
    }

    50% {
        box-shadow: 0 0 10px rgba(56, 178, 172, 0.8);
    }
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
    overflow: visible;
}

.feature-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(226, 232, 240, 0.6);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(129, 230, 217, 0.6);
    box-shadow: 0 8px 30px rgba(56, 178, 172, 0.15);
}

.feature-icon {
    font-size: 3rem;
    filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.1));
}

.feature-card h3 {
    color: #2d3748;
    margin-bottom: 1rem;
    font-size: 1.4rem;
    font-weight: 500;
}

/* Enhanced Features */
.enhanced-features {
    position: relative;
    margin-top: 1rem;
    padding-top: 1rem;
}

.enhanced-features .feature-card {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease-out forwards;
    position: relative;
    overflow: visible;
}

.enhanced-features .feature-card[data-delay='0'] {
    animation-delay: 0.1s;
}

.enhanced-features .feature-card[data-delay='100'] {
    animation-delay: 0.2s;
}

.enhanced-features .feature-card[data-delay='200'] {
    animation-delay: 0.3s;
}

.enhanced-features .feature-card[data-delay='300'] {
    animation-delay: 0.4s;
}

.enhanced-features .feature-card[data-delay='400'] {
    animation-delay: 0.5s;
}

.enhanced-features .feature-card[data-delay='500'] {
    animation-delay: 0.6s;
}

.featured-card {
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.95),
        rgba(230, 255, 250, 0.9)
    );
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
    overflow: visible;
}

.featured-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #38b2ac, #4fd1c7, #81e6d9);
    border-radius: inherit;
    padding: 2px;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    z-index: -1;
}

.featured-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 40px rgba(56, 178, 172, 0.25);
}

.feature-badge {
    position: absolute;
    top: -8px;
    right: 10px;
    padding: 0.4rem 0.8rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    color: white;
    z-index: 10;
    animation: badgeBounce 2s ease-in-out infinite;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    white-space: nowrap;
}

.feature-badge.most-popular {
    background: linear-gradient(135deg, #f6ad55, #ed8936);
    box-shadow: 0 4px 15px rgba(237, 137, 54, 0.4);
}

.feature-badge.trending {
    background: linear-gradient(135deg, #fc8181, #e53e3e);
    box-shadow: 0 4px 15px rgba(229, 62, 62, 0.4);
}

.feature-badge.beta {
    background: linear-gradient(135deg, #667eea, #764ba2);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.feature-badge.coming-soon {
    background: linear-gradient(135deg, #a0aec0, #718096);
    box-shadow: 0 4px 15px rgba(160, 174, 192, 0.4);
}

@keyframes badgeBounce {
    0%,
    100% {
        transform: translateY(0) scale(1);
    }

    50% {
        transform: translateY(-2px) scale(1.05);
    }
}

.feature-icon-container {
    position: relative;
    margin-bottom: 1rem;
}

.feature-icon-container .feature-icon {
    position: relative;
    z-index: 2;
    font-size: 3rem;
    filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.1));
    transition: all 0.3s ease;
}

.icon-background {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, rgba(56, 178, 172, 0.2), transparent);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.3s ease;
}

.feature-card:hover .icon-background {
    transform: translate(-50%, -50%) scale(1.5);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-stats {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(129, 230, 217, 0.3);
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.stat-item {
    background: rgba(56, 178, 172, 0.1);
    color: #2c7a7b;
    padding: 0.2rem 0.6rem;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(129, 230, 217, 0.3);
    transition: all 0.3s ease;
}

.stat-item:hover {
    background: rgba(56, 178, 172, 0.2);
    transform: scale(1.05);
}

/* How it works */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    background: linear-gradient(135deg, #38b2ac, #4fd1c7);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 auto 1rem;
}

.step h3 {
    margin-bottom: 1rem;
    color: #2d3748;
    font-weight: 500;
}

/* Bonus Step */
.bonus-step {
    background: linear-gradient(
        135deg,
        rgba(237, 250, 250, 0.9),
        rgba(230, 255, 250, 0.9)
    );
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 20px;
    margin-top: 3rem;
    border: 2px solid rgba(129, 230, 217, 0.4);
    text-align: center;
    position: relative;
}

.bonus-header {
    margin-bottom: 1.5rem;
}

.bonus-badge {
    background: linear-gradient(135deg, #38b2ac, #4fd1c7);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
    box-shadow: 0 4px 15px rgba(56, 178, 172, 0.3);
}

.bonus-step h3 {
    color: #2c7a7b;
    font-size: 1.5rem;
    margin: 0;
    font-weight: 600;
}

.bonus-step p {
    color: #4a5568;
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

/* Language Showcase */
.language-showcase {
    background: linear-gradient(
        135deg,
        rgba(237, 250, 250, 0.9),
        rgba(230, 255, 250, 0.9)
    );
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 20px;
    margin-top: 3rem;
    border: 1px solid rgba(129, 230, 217, 0.3);
}

.language-showcase h3 {
    text-align: center;
    color: #2c7a7b;
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 600;
}

.language-examples {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    align-items: center;
}

.lang-example {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.2rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 25px;
    border: 1px solid rgba(129, 230, 217, 0.4);
    transition: all 0.3s ease;
    font-weight: 500;
    color: #2d3748;
}

.lang-example:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(56, 178, 172, 0.2);
    background: rgba(255, 255, 255, 1);
}

.lang-flag {
    font-size: 1.2rem;
}

/* Logic-Based Authority Section */
.logic-showcase {
    max-width: 1000px;
    margin: 0 auto;
}

.calculation-hero {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background: linear-gradient(
        135deg,
        rgba(237, 250, 250, 0.9),
        rgba(230, 255, 250, 0.9)
    );
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(129, 230, 217, 0.3);
}

.calculation-hero h3 {
    color: #2c7a7b;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.calculation-hero p {
    color: #4a5568;
    font-size: 1.1rem;
}

.calculations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.calc-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(226, 232, 240, 0.6);
    transition: all 0.3s ease;
}

.calc-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(56, 178, 172, 0.15);
}

.calc-card h4 {
    color: #2c7a7b;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    text-align: center;
}

.calc-flow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.calc-step {
    background: rgba(237, 250, 250, 0.8);
    padding: 1rem 1.5rem;
    border-radius: 15px;
    border: 1px solid rgba(129, 230, 217, 0.3);
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 250px;
}

.calc-label {
    color: #4a5568;
    font-weight: 500;
}

.calc-value {
    color: #2c7a7b;
    font-weight: 700;
    font-size: 1.1rem;
}

.calc-arrow {
    font-size: 1.5rem;
    color: #38b2ac;
    font-weight: bold;
}

.calc-result {
    background: linear-gradient(135deg, #38b2ac, #4fd1c7);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 15px;
    text-align: center;
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

.logic-insights {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(226, 232, 240, 0.6);
}

.logic-insights h3 {
    text-align: center;
    color: #2c7a7b;
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 600;
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.logic-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(237, 250, 250, 0.6);
    border-radius: 15px;
    border: 1px solid rgba(129, 230, 217, 0.2);
    transition: all 0.3s ease;
}

.logic-item:hover {
    transform: translateY(-3px);
    background: rgba(237, 250, 250, 0.9);
}

.logic-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.logic-item h4 {
    color: #2c7a7b;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.logic-item p {
    color: #4a5568;
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

/* Urgency Section */
.urgency-section {
    background: linear-gradient(135deg, #fed7d7 0%, #feb2b2 50%, #fc8181 100%);
    color: #2d3748;
}

.urgency-hero {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.urgency-hero h2 {
    color: #c53030;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.urgency-hero > p {
    font-size: 1.2rem;
    color: #4a5568;
    margin-bottom: 3rem;
}

.urgency-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.urgency-item {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    border: 2px solid rgba(197, 48, 48, 0.2);
    transition: all 0.3s ease;
}

.urgency-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(197, 48, 48, 0.25);
}

.urgency-number {
    font-size: 3rem;
    font-weight: 700;
    color: #c53030;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.urgency-number span {
    font-size: 1.5rem;
    font-weight: 500;
    color: #4a5568;
}

.urgency-item p {
    color: #4a5568;
    font-weight: 500;
}

.urgency-benefits {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(197, 48, 48, 0.2);
}

.urgency-benefits h3 {
    text-align: center;
    color: #c53030;
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 600;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    border: 1px solid rgba(197, 48, 48, 0.1);
}

.benefit-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.benefit-item h4 {
    color: #2d3748;
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
    font-weight: 600;
}

.benefit-item p {
    color: #4a5568;
    font-size: 0.9rem;
    margin: 0;
}

/* Risk-Free Section */
.risk-free-section {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    margin: 2rem auto;
    border: 1px solid rgba(255, 255, 255, 0.3);
    max-width: 600px;
}

.risk-free-section h3 {
    text-align: center;
    color: white;
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.guarantees {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.guarantee-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: white;
    font-weight: 500;
}

.guarantee-icon {
    font-size: 1.2rem;
    color: #68d391;
}

.final-push {
    background: rgba(255, 107, 107, 0.2);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 107, 107, 0.3);
    margin-top: 2rem;
}

/* Waitlist Section */
.waitlist {
    background: linear-gradient(135deg, #38b2ac 0%, #4fd1c7 50%, #81e6d9 100%);
    color: white;
    text-align: center;
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.waitlist::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="calm-dots" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="25" cy="25" r="0.8" fill="rgba(255,255,255,0.08)"/><circle cx="75" cy="75" r="1.2" fill="rgba(255,255,255,0.12)"/></pattern></defs><rect width="100" height="100" fill="url(%23calm-dots)"/></svg>');
    opacity: 0.6;
}

.waitlist h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
    font-weight: 600;
}

.waitlist-form {
    max-width: 500px;
    margin: 2rem auto;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.waitlist-form input {
    flex: 1;
    min-width: 250px;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    outline: none;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.waitlist-form input:focus {
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 6px 25px rgba(56, 178, 172, 0.2);
    transform: translateY(-2px);
}

.waitlist-form button {
    background: linear-gradient(135deg, #319795, #38b2ac);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(49, 151, 149, 0.3);
}

.waitlist-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(49, 151, 149, 0.4);
    background: linear-gradient(135deg, #2c7a7b, #319795);
}

/* FAQ */
.faq {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    margin-bottom: 1rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.faq-question {
    background: #f8fafc;
    padding: 1.5rem;
    cursor: pointer;
    border: none;
    width: 100%;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    color: #2d3748;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: inherit;
}

.faq-answer {
    padding: 0 1.5rem 1.5rem;
    color: #4a5568;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: #2d3748;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

/* Responsive */
@media (max-width: 1024px) {
    .floating-icon {
        font-size: 1.5rem;
        opacity: 0.2;
    }
}

@media (max-width: 768px) {
    /* Header Mobile */
    .header {
        padding: 0.8rem 0;
        border-radius: 0 0 15px 15px;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(25px);
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        border-radius: 0 0 20px 20px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all 0.3s ease;
    }

    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .nav-link {
        padding: 1rem 2rem;
        width: 100%;
        text-align: center;
        border-radius: 0;
        font-size: 1rem;
    }

    .nav-link:hover {
        background: rgba(56, 178, 172, 0.15);
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-cta {
        align-items: center;
        gap: 0.5rem;
    }

    .beta-indicator {
        flex-direction: column;
        align-items: center;
        gap: 0.2rem;
    }

    .nav-cta-button {
        font-size: 0.85rem;
        padding: 0.6rem 1.2rem;
    }

    .logo-text {
        font-size: 1.5rem;
    }

    .logo-tagline {
        font-size: 0.7rem;
        margin-left: 2rem;
    }

    /* Hero Mobile */
    .hero {
        padding: 2.5rem 0 1.5rem 0;
        min-height: calc(100vh - var(--navbar-height));
    }

    .hero-title {
        font-size: 3.2rem;
        line-height: 1.4;
        padding: 0.4rem 0 0.8rem 0;
        overflow: visible;
        letter-spacing: -0.01em;
        text-shadow: 0 0 15px rgba(49, 130, 206, 0.3),
            0 0 30px rgba(49, 130, 206, 0.2), 0 2px 4px rgba(0, 0, 0, 0.1);
    }

    .hero .subtitle {
        font-size: 1.2rem;
        margin-bottom: 2rem;
    }

    .floating-icon {
        font-size: 1.2rem;
        opacity: 0.15;
    }

    .feature-preview {
        gap: 1rem;
    }

    .feature-item {
        padding: 0.8rem 1.2rem;
        font-size: 0.9rem;
    }

    .feature-icon {
        font-size: 1.3rem;
    }

    .enhanced-cta {
        font-size: 1.1rem;
        padding: 1rem 2rem;
    }

    .waitlist-form {
        flex-direction: column;
        align-items: center;
    }

    .waitlist-form input {
        min-width: 100%;
    }

    /* Section Headlines Mobile */
    .section h2 {
        font-size: 2rem;
    }

    .problem-hook h2,
    .features-hook h2,
    .urgency-hook h2 {
        font-size: 1.8rem;
    }

    .final-hook h2 {
        font-size: 1.7rem;
    }

    .solution-hero h2,
    .urgency-hero h2,
    .waitlist h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.4rem;
        margin-bottom: 1.5rem;
        line-height: 1.3;
        padding: 0.4rem 0 0.8rem 0;
        overflow: visible;
        letter-spacing: -0.01em;
        text-shadow: 0 0 10px rgba(49, 130, 206, 0.3),
            0 0 20px rgba(49, 130, 206, 0.2), 0 2px 4px rgba(0, 0, 0, 0.1);
    }

    .hero .subtitle {
        font-size: 1.1rem;
    }

    .hero-intro {
        padding: 0.5rem 1.2rem 0.8rem 1.2rem;
        margin-bottom: 2rem;
        font-size: 0.9rem;
    }

    .feature-preview {
        flex-direction: row;
        justify-content: center;
        gap: 0.4rem;
        flex-wrap: wrap;
        max-width: 100%;
        margin: 0 auto;
    }

    .feature-preview.minimal {
        gap: 0.3rem;
    }

    .feature-item {
        padding: 0.7rem 1rem;
        flex: 1;
        justify-content: center;
        min-width: 0;
    }

    .feature-item.minimal {
        padding: 0.5rem 0.7rem;
        font-size: 0.7rem;
        flex: 1;
        min-width: 90px;
        max-width: 110px;
        justify-content: center;
        min-height: 45px;
    }

    .feature-item.minimal .feature-icon {
        font-size: 0.9rem;
        transform: translateY(0.03rem);
        line-height: 1;
    }

    .feature-item.minimal .feature-text {
        font-size: 0.65rem;
        font-weight: 600;
        line-height: 1;
    }

    .hero-features {
        margin-top: 1.5rem;
    }

    .scroll-hook {
        margin-top: 1.5rem;
        margin-bottom: 1rem;
    }

    .scroll-text {
        font-size: 0.9rem;
    }

    .scroll-arrow {
        width: 35px;
        height: 35px;
    }

    .scroll-arrow span {
        font-size: 1rem;
    }

    .floating-elements {
        display: none;
    }

    /* Section Headlines Extra Small Mobile */
    .section h2 {
        font-size: 1.7rem;
    }

    .problem-hook h2,
    .features-hook h2,
    .urgency-hook h2 {
        font-size: 1.5rem;
    }

    .final-hook h2 {
        font-size: 1.4rem;
    }

    .solution-hero h2,
    .urgency-hero h2,
    .waitlist h2 {
        font-size: 1.7rem;
    }

    .enhanced-cta {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    /* Enhanced Mobile Styles */
    .solution-hero {
        padding: 2rem 1rem;
        margin-bottom: 3rem;
    }

    .section-brand {
        flex-direction: column;
        gap: 0.5rem;
        margin-bottom: 1rem;
    }

    .brand-icon {
        font-size: 2rem;
    }

    .brand-name {
        font-size: 2.2rem;
    }

    .section-divider {
        margin: 1rem 0;
        gap: 0.5rem;
    }

    .divider-line {
        width: 40px;
    }

    .section-methodology {
        font-size: 1.4rem;
        gap: 0.8rem;
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .methodology-icon {
        font-size: 1.5rem;
        margin-top: 0;
    }

    .methodology-text {
        line-height: 1.3;
        padding: 0.4rem 0.8rem;
        font-size: 0.9rem;
        max-width: 95%;
    }

    .section-description {
        font-size: 1rem;
    }

    .process-flow {
        gap: 0.5rem;
        margin: 1.5rem 0;
    }

    .flow-step {
        padding: 0.8rem;
        min-width: 70px;
    }

    .flow-icon {
        font-size: 1.2rem;
    }

    .flow-step span {
        font-size: 0.7rem;
    }

    .flow-arrow {
        font-size: 1rem;
        transform: rotate(90deg);
    }

    .enhanced-concept {
        gap: 1rem;
    }

    .enhanced-item {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }

    .concept-icon-container {
        margin-bottom: 1rem;
    }

    .concept-content h4 {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }

    .concept-content p {
        font-size: 0.85rem;
    }

    .benefit-badge {
        font-size: 0.7rem;
        padding: 0.25rem 0.6rem;
    }

    .enhanced-features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-badge {
        top: -8px;
        right: 8px;
        font-size: 0.65rem;
        padding: 0.3rem 0.6rem;
        border-radius: 10px;
    }

    .feature-icon-container .feature-icon {
        font-size: 2.5rem;
    }

    .feature-stats {
        flex-direction: column;
        gap: 0.3rem;
    }

    .stat-item {
        font-size: 0.7rem;
        padding: 0.15rem 0.5rem;
    }

    .featured-card:hover {
        transform: translateY(-4px) scale(1.01);
    }

    /* Reduce animation intensity on mobile */
    .floating-particle {
        animation-duration: 10s;
    }

    @keyframes floatParticle {
        0%,
        100% {
            transform: translateY(0px) rotate(0deg);
            opacity: 0.2;
        }

        50% {
            transform: translateY(-10px) rotate(90deg);
            opacity: 0.4;
        }
    }
}

/* Internal Links Styling */
a[href^="#"]:not(.logo):not(.nav-link):not(.nav-cta-button):not(.cta-primary):not(.enhanced-cta) {
    position: relative;
}

a[href^="#"]:not(.logo):not(.nav-link):not(.nav-cta-button):not(.cta-primary):not(.enhanced-cta):hover {
    color: #2c7a7b !important;
    border-bottom-color: #2c7a7b !important;
    opacity: 1 !important;
}

a[href^="#"]:not(.logo):not(.nav-link):not(.nav-cta-button):not(.cta-primary):not(.enhanced-cta):active {
    transform: translateY(1px);
}

/* Special styling for hero benefit link */
.benefit-text a[href="#waitlist"]:hover {
    color: #f59e0b !important;
    border-bottom-color: #f59e0b !important;
    background: rgba(251,191,36,0.2) !important;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5) !important;
    transform: translateY(-1px) !important;
}

/* Use Cases Section */
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.use-case-card {
    padding: 1.5rem;
    border-radius: 15px;
    border: 1px solid;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.use-case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.use-case-card:hover::before {
    opacity: 1;
}

.use-case-card > * {
    position: relative;
    z-index: 2;
}

/* Business Theme */
.use-case-card.business {
    background: linear-gradient(135deg, rgba(56, 178, 172, 0.05), rgba(56, 178, 172, 0.1));
    border-color: rgba(56, 178, 172, 0.2);
    box-shadow: 0 4px 20px rgba(56, 178, 172, 0.1);
}

.use-case-card.business::before {
    background: linear-gradient(135deg, rgba(56, 178, 172, 0.1), rgba(56, 178, 172, 0.15));
}

.use-case-card.business:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(56, 178, 172, 0.2);
}

.use-case-card.business strong {
    color: #38b2ac;
}

.use-case-card.business .use-case-badge {
    background: rgba(56, 178, 172, 0.1);
    color: #38b2ac;
}

/* Student Theme */
.use-case-card.student {
    background: linear-gradient(135deg, rgba(66, 153, 225, 0.05), rgba(66, 153, 225, 0.1));
    border-color: rgba(66, 153, 225, 0.2);
    box-shadow: 0 4px 20px rgba(66, 153, 225, 0.1);
}

.use-case-card.student::before {
    background: linear-gradient(135deg, rgba(66, 153, 225, 0.1), rgba(66, 153, 225, 0.15));
}

.use-case-card.student:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(66, 153, 225, 0.2);
}

.use-case-card.student strong {
    color: #4299e1;
}

.use-case-card.student .use-case-badge {
    background: rgba(66, 153, 225, 0.1);
    color: #4299e1;
}

/* Developer Theme */
.use-case-card.developer {
    background: linear-gradient(135deg, rgba(159, 122, 234, 0.05), rgba(159, 122, 234, 0.1));
    border-color: rgba(159, 122, 234, 0.2);
    box-shadow: 0 4px 20px rgba(159, 122, 234, 0.1);
}

.use-case-card.developer::before {
    background: linear-gradient(135deg, rgba(159, 122, 234, 0.1), rgba(159, 122, 234, 0.15));
}

.use-case-card.developer:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(159, 122, 234, 0.2);
}

.use-case-card.developer strong {
    color: #9f7aea;
}

.use-case-card.developer .use-case-badge {
    background: rgba(159, 122, 234, 0.1);
    color: #9f7aea;
}

/* Researcher Theme */
.use-case-card.researcher {
    background: linear-gradient(135deg, rgba(237, 137, 54, 0.05), rgba(237, 137, 54, 0.1));
    border-color: rgba(237, 137, 54, 0.2);
    box-shadow: 0 4px 20px rgba(237, 137, 54, 0.1);
}

.use-case-card.researcher::before {
    background: linear-gradient(135deg, rgba(237, 137, 54, 0.1), rgba(237, 137, 54, 0.15));
}

.use-case-card.researcher:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(237, 137, 54, 0.2);
}

.use-case-card.researcher strong {
    color: #ed8936;
}

.use-case-card.researcher .use-case-badge {
    background: rgba(237, 137, 54, 0.1);
    color: #ed8936;
}

/* Sales Theme */
.use-case-card.sales {
    background: linear-gradient(135deg, rgba(72, 187, 120, 0.05), rgba(72, 187, 120, 0.1));
    border-color: rgba(72, 187, 120, 0.2);
    box-shadow: 0 4px 20px rgba(72, 187, 120, 0.1);
}

.use-case-card.sales::before {
    background: linear-gradient(135deg, rgba(72, 187, 120, 0.1), rgba(72, 187, 120, 0.15));
}

.use-case-card.sales:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(72, 187, 120, 0.2);
}

.use-case-card.sales strong {
    color: #48bb78;
}

.use-case-card.sales .use-case-badge {
    background: rgba(72, 187, 120, 0.1);
    color: #48bb78;
}

/* Marketing Theme */
.use-case-card.marketing {
    background: linear-gradient(135deg, rgba(245, 101, 101, 0.05), rgba(245, 101, 101, 0.1));
    border-color: rgba(245, 101, 101, 0.2);
    box-shadow: 0 4px 20px rgba(245, 101, 101, 0.1);
}

.use-case-card.marketing::before {
    background: linear-gradient(135deg, rgba(245, 101, 101, 0.1), rgba(245, 101, 101, 0.15));
}

.use-case-card.marketing:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(245, 101, 101, 0.2);
}

.use-case-card.marketing strong {
    color: #f56565;
}

.use-case-card.marketing .use-case-badge {
    background: rgba(245, 101, 101, 0.1);
    color: #f56565;
}

/* Use Case Header */
.use-case-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.use-case-icon {
    font-size: 2rem;
    transition: transform 0.3s ease;
}

.use-case-card:hover .use-case-icon {
    transform: scale(1.1) rotate(5deg);
}

.use-case-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: #2d3748;
    font-weight: 600;
}

/* Use Case Content */
.use-case-card p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.6;
    color: #4a5568;
}

.use-case-card p span {
    color: #2d3748;
    font-weight: 500;
}

/* Use Case Badge */
.use-case-badge {
    margin-top: 1rem;
    padding: 0.5rem;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.use-case-card:hover .use-case-badge {
    transform: scale(1.05);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .use-cases-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .use-case-card {
        padding: 1.25rem;
    }
    
    .use-case-icon {
        font-size: 1.8rem;
    }
    
    .use-case-header h3 {
        font-size: 1rem;
    }
}